Elliptic point

Elliptic point

In differential geometry, an elliptic point on a regular surface in R 3 is a point "p" at which the Gaussian curvature "K"("p") > 0 or equivalently, the principal curvatures "k"1 and "k"2 have the same sign.

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  • elliptic geometry — noun (mathematics) a non Euclidean geometry that regards space as like a sphere and a line as like a great circle Bernhard Riemann pioneered elliptic geometry • Syn: ↑Riemannian geometry • Topics: ↑mathematics, ↑math, ↑maths …   Useful english dictionary

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